Image from Wikimedia Commons
unknown - Public Domain
New York World-Telegram and the Sun staff photographer: Palumbo, Fred, photographer. - CC0 1.0
Wstotler - CC BY 3.0
Photographer unidentified - Public Domain
James Yuanxin Li - CC BY-SA 3.0
Monroem - CC BY-SA 3.0
Hill & Adamson - Public Domain
Emil Stumpp - Public Domain
w - Public Domain
Tom Marcello - CC BY-SA 2.0
Unknown, published by Verlag von J.F. Lehmann in München -
Image from Wikimedia Commons
Cormenin, Louis-Marie de Lahaye, vicomte de, 1788-1868
Image from Wikimedia Commons
unknown - Public Domain
Cook, Frederick Albert, 1865-1940
Image from Wikimedia Commons
Norton, John Pitkin, 1822-1852
Image from Wikimedia Commons
Reed, Edward J. (Edward James), Sir, 1830-1906
Image from Wikimedia Commons
New York World-Telegram and the Sun staff photographer: Palumbo, Fred, photographer. - CC0 1.0
Crosby, Israel
Image from Wikimedia Commons
Washington, Fredi, 1903-1994
Image from Wikimedia Commons
Elliott, Herb, 1938-
Image from Wikimedia Commons
Wstotler - CC BY 3.0
Lenzi, Umberto, 1931-
Image from Wikimedia Commons
Euwe, Max, 1901-1981
Image from Wikimedia Commons
Photographer unidentified - Public Domain
Woolley, Celia Parker, 1848-1918
Image from Wikimedia Commons
Stelzner, Alfred W.
Image from Wikimedia Commons
James Yuanxin Li - CC BY-SA 3.0
Howard, Leslie, 1948-....
Image from Wikimedia Commons
Monroem - CC BY-SA 3.0
Jain, Devaki, 1933-....
Image from Wikimedia Commons
Varley, Frederick Horsman
Image from Wikimedia Commons
Tenniel, John, 1820-1914
Image from Wikimedia Commons
Machel, Samora, 1933-1986
Image from Wikimedia Commons
Rasch, Albertina
Image from Wikimedia Commons
Signoret, Simone, 1921-1985
Image from Wikimedia Commons
Hill & Adamson - Public Domain
Adamson, Robert, 1821-1848
Image from Wikimedia Commons
Cooke, Hope, 1940-
Image from Wikimedia Commons
Goya, Francisco, 1746-1828
Image from Wikimedia Commons
Emil Stumpp - Public Domain
Tau, Max, 1897-1976
Image from Wikimedia Commons
w - Public Domain
Symmes, John Cleves, 1742-1814
Image from Wikimedia Commons
Bouchette, Joseph, 1774-1841
Image from Wikimedia Commons
Tom Marcello - CC BY-SA 2.0
Waits, Freddie
Image from Wikimedia Commons
Clairmont, Clara Mary Jane, 1798-1879
Image from Wikimedia Commons
Reynolds, Henry Revell
Image from Wikimedia Commons
Unknown, published by Verlag von J.F. Lehmann in München -
Voit, C. von, 1831-1908
Image from Wikimedia Commons
unknown - Public Domain
Souter, David H., 1939-
Image from Wikimedia Commons
Bilguer, Paul Rudolph von, 1815-1840